Both girls were reported missing on Tuesday 6 March and are police are now turning to the public for information to help trace them.

The children lived in the Chapel Fold area of Batley, but have extensive links and extended family across Huddersfield.

It is thought they are with three relatives – two women and a man

Detective Inspector Lee Donnelly of Kirklees CID, said; “We are concerned for Bernadett and Szimonetta’s welfare and want to reassure them, or anyone who knows where they are, that they are not in any trouble. Our priority is making sure that they are all OK.”

“I would appeal to anyone who has seen them, or who knows where they are now to get in contact with us.”